[INFO] updating cached repository tiziano88/shuttle-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tiziano88/shuttle-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tiziano88/shuttle-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/tiziano88/shuttle-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tiziano88/shuttle-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tiziano88/shuttle-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tiziano88/shuttle-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tiziano88/shuttle-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebcf6c49e129243664283ab1fcc0ac8c6c39bdae
[INFO] sha for GitHub repo tiziano88/shuttle-rs: ebcf6c49e129243664283ab1fcc0ac8c6c39bdae
[INFO] validating manifest of tiziano88/shuttle-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tiziano88/shuttle-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tiziano88/shuttle-rs
[INFO] finished frobbing tiziano88/shuttle-rs
[INFO] frobbed toml for tiziano88/shuttle-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/tiziano88/shuttle-rs/Cargo.toml
[INFO] started frobbing tiziano88/shuttle-rs
[INFO] finished frobbing tiziano88/shuttle-rs
[INFO] frobbed toml for tiziano88/shuttle-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tiziano88/shuttle-rs/Cargo.toml
[INFO] crate tiziano88/shuttle-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tiziano88/shuttle-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tiziano88/shuttle-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 06684e32ebb06247bcc7f5908f4579768ab93e1d2a2144f1b0698300425f615c
[INFO] running `"docker" "start" "-a" "06684e32ebb06247bcc7f5908f4579768ab93e1d2a2144f1b0698300425f615c"`
[INFO] [stderr]    Compiling cc v1.0.7
[INFO] [stderr]    Compiling serde v1.0.32
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling chan v0.1.21
[INFO] [stderr]    Compiling serde_derive_internals v0.20.1
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.32
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling wheel v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:150:16
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let home = std::env::home_dir().unwrap();
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:135:37
[INFO] [stderr]     |
[INFO] [stderr] 135 |                                     exec(a);
[INFO] [stderr]     |                                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.26s
[INFO] running `"docker" "inspect" "06684e32ebb06247bcc7f5908f4579768ab93e1d2a2144f1b0698300425f615c"`
[INFO] running `"docker" "rm" "-f" "06684e32ebb06247bcc7f5908f4579768ab93e1d2a2144f1b0698300425f615c"`
[INFO] [stdout] 06684e32ebb06247bcc7f5908f4579768ab93e1d2a2144f1b0698300425f615c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tiziano88/shuttle-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 46d0fdef28e65defd8529b059adff65ffb7a635cad10f5a07921882ef25d8157
[INFO] running `"docker" "start" "-a" "46d0fdef28e65defd8529b059adff65ffb7a635cad10f5a07921882ef25d8157"`
[INFO] [stderr]    Compiling wheel v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:150:16
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let home = std::env::home_dir().unwrap();
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:135:37
[INFO] [stderr]     |
[INFO] [stderr] 135 |                                     exec(a);
[INFO] [stderr]     |                                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "46d0fdef28e65defd8529b059adff65ffb7a635cad10f5a07921882ef25d8157"`
[INFO] running `"docker" "rm" "-f" "46d0fdef28e65defd8529b059adff65ffb7a635cad10f5a07921882ef25d8157"`
[INFO] [stdout] 46d0fdef28e65defd8529b059adff65ffb7a635cad10f5a07921882ef25d8157
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tiziano88/shuttle-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 5883f0686f18b723aaad20d2017561b26e6758025f41edc69a2df99edd90b94c
[INFO] running `"docker" "start" "-a" "5883f0686f18b723aaad20d2017561b26e6758025f41edc69a2df99edd90b94c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wheel-60e7b583d3abae9e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5883f0686f18b723aaad20d2017561b26e6758025f41edc69a2df99edd90b94c"`
[INFO] running `"docker" "rm" "-f" "5883f0686f18b723aaad20d2017561b26e6758025f41edc69a2df99edd90b94c"`
[INFO] [stdout] 5883f0686f18b723aaad20d2017561b26e6758025f41edc69a2df99edd90b94c